This circuit is from a 1990s publication by William Sheets. The circuit consists of a stage whose gain is adjusted according to the signal intensity.
Suggested by Intersil in documentation from the 90's, this circuit is valid for modern operating...
This circuit has a correction or linearity adjustment. We found it in Ferranti's transistor manual...
Twin-T oscillator are a good solution for the production of low-frequency sinusoidal signals. The...